Card scanning mechanism



1 H. P. LUHN CARD SCANNING MECHANISM 32 Sheets-Sheet 1 Filed March 51, 1950 INVENTOR HANS R [UH/V ATTORNEY Oct. 11, 1955 H. P. LUHN CARD SCANNING MECHANISM I52 Sheets-Sheet 2 Filed March 31 M Q MZ\"M A'ITORNEY INVENTOR HANS P. Ll/HN ATTORNEY Oct. 11, 1955 H. P. LUHN CARD SCANNING MECHANISM 32 Sheets-Sheet 3 Filed March 31 Oct. 11, 1955 H. P. LUHN CARD SCANNING MECHANISIM 32 Sheets-Sheet 4 Filed March 31, 1950 INVENTOR HANS R LUf/N ATTORNEY Oct. 11, 1955 H. P. LUHN 2,720,360

CARD SCANNING MECHANISM Filed March 51, 1950 32 Sheets-Sheet 5 INVENTOR HANS I? [UH/Y Oct. 11, 1955 H. P. LUHN CARD SCANNING MECHANISM 32 Sheets-Sheet 6 Filed March 51, 1950 INVENTOR HANS P. Ll/HN ATTORNEY Oct. 11, 1955 LUHN 2,720,360

CARD SCANNING'MECHANISM Filed March 31, 1950 32 Sheets-Sheet '7 HANS [UH/V ATTORNEY Oct. 11, 1955 P, LUHN 2,720,360

CARD SCANNING MECHANISM Filed March 31, 1950 32 Sheets-Sheet 8 HHNS P. [ll/IN ATTORNEY 32 Sheets-Sheet 9 Oct. 11, 1955 H. P. LUHN CARD SCANNING MECHANISM Filed March 31, 1950 Tia- Oct. 11, 1955 H. P. LUHN CARD SCANNING MECHANISM 32 Sheets-Sheet 10 Filed March 31, 71950 ATTORNEY Oct. 11, 1955 H. P. LUHN CARD SCANNING MECHANISM 32 Sheets-Sheet 12 Filed March 31, 1950 Compartment U w U w 5 HII w a D II I I I 0 c I U MII 0 6 D W I E I w G D fill E I m m DU U DU MUD UIIIUIUUI m YX 5 5 7 YX I2546789 k k i m k C U I. m M w 0 m 0 ATTORNEY Oct. 11, 1955 H. P. LUHN 2,720,360

CARD SCANNING MECHANISM Filed March 31, 1950 32 Sheets-Sheet 13 I i .l

5 E Al-INDEX SERlES essisnll lmnemzit uxz DECKU 1 o uuuuu 1 uuunu DECKI 2 uuuun a mum 4 unuuu 5DDDDD DDDD DDDD DDDD DDDD 6DDDD DDDD DDDD DDDD DDDD D DDD DDDD DDDD DDDD DDDD DD BDD DDDD DDDD DDDD DDDD DDD 9D DDDD DDDD DDDD DDDD DDDD FEED- AZ-lNDEX SERIES AEQQEEQBiQEDMNQEQBSIQYWZIZ DECK U DECK I EDIIIEIIIII uuuuu DECKL unnnn DDDDD DDDDD INVENTOR HHNS P. LUHN ATTORNEY Oct. 11., 1955 H. P. LUHN CARD SCANNING MECHANISM Filed March 31, 1950 DI MAJOR SERIES (accompanied i) MM) 32 Sheets-Sheet l6 DECK Y DECK DUI] I] [II] [II] I] I] 'unun'unnnnu [I DUB I] [IIJI] [IU 1] [1|] HI] [I I] I] I] [I I] I] I] [IU [II] DUI] I] D [I I] [I I] [I I] [II] D I] I] DI] U I] I] DU [1 I] I] U HI] I] [I DUI] SubscmpI TEES- D2 MAJOR SERIES (accompanied by XorY) DECK DDIJUUU HI] I] [II] I] [II] HI] I] [I I] [I I] l] I] I] [I I] I] DI] HI] [ID [II] DECK [I I] DUI] [I I] HI] I] M QWTW INVENTOR H/I N3 P. LUHN ATTORNEY Oct. 11, 1955 L 2,720,360

CARD SCANNING MECHANISM Filed March 51, 1950 52 Sheets-Sheet 17 F1 MINOR SER$ES F2 -M|NOR SER\ES lO/1/2/3/4/5/6/7/8/9 o 1 2 3 4 5 6 7 e 9 (s p rs rlp DECK Y uuuuunuuuu DECK{Y uuuuuuuuuu U X nnuuuuunnu U X nuuuunuuun o nun an n 1 1 an mu 0 n DEICK 2 DEICK 2 u an an n 3 a nun nun 4 4 unnuun mm mu m 5 6 DECK 6 M U DECK 7 [1 [ll] [10 u 7 L L a nun nun B 9 uunuuu 9 E- FE G1 MINOR SERIES G2 MINOR SERIES (subscrlpts) -o1 -oz -05 -o7 -oo -11 -21 -31 -41 01 05 05 01 09 11 21 a1 41 -oo -oz -04 -06 -os 40 -2o -49 0o oz 04 06 0s 10 2o 30 4o 49 Yuu nuuunuunuuuuunuun uuunnnnnunuunuuuunn x nnnuuuunuunuuuuuuuu uuuuunuuununnuuuuuu 0.50 n u uuuuuuuu uunnnnnunu {2111 u u u u n u n w nu z z 2 DU [1 u n u 111] w an 3 3 nun u 11*- an 4 DUDE u nun Suunuuunnun an n n nunnunuu a: 6 *nm 0 I] u u u u n z t M7 mu 2 an n [1 u u u [1 *8 [1n 3 unu n u 9 nun nnuu n k JIZEU. 11:151.

INVENTOR HHNSRLUHN BY M C ATTORNEY Oct. 11, 1955 H. P. LUHN CARD SCANNING MECHANISM 32 Sheets-Sheet 20 Filed March 51, 1950 202 v x H II my gJ/ar/ Key Ill/l7 3656760012161" (A VIIV INVENTOR HHNS P. LUHN ATTORNEY 

